1. ^{{cite journal|title=Old Prince's Club|journal=The Illustrated Sporting and Dramatic News|date=21 September 1918|volume=90|issue=2349|pages=82–83|url=http://www.illustratedfirstworldwar.com/item/old-princes-club-bpc000004_19180921_01_0028/#}}
2. ^{{cite news |url=http://nla.gov.au/nla.news-article198183663 |title=SPORTING NOTES FROM ENGLAND. |newspaper=Leader |issue=1800 |location=Victoria, Australia |date=12 July 1890 |accessdate=11 May 2018 |page=20 |via=National Library of Australia}} ...Charles ' Saunders, our tennis (not lawn tennis) champion and Tom Pettitt, the Englishman,', settled in America, started their match for £500 a side, at Dublin, on 26th May, in Sir Edward- Guinness's court. ...
3. ^{{cite news |url=http://nla.gov.au/nla.news-article162075080 |title=Lawn Tennis. |newspaper=The Sydney Mail And New South Wales Advertiser |volume=XLIX, |issue=1559 |location=New South Wales, Australia |date=24 May 1890 |accessdate=11 May 2018 |page=1162 |via=National Library of Australia}} ...Tennis players will be interested to learn that a contest for the tennis championship of the world has been arranged to take place in Dublin, commencing an May 26. England will be represented by Mr. Charles Saunders, of the Prince's Club (the acknowledged champion of England) and Mr. Thomas Pettitt, of Boston, United States, will be his opponent...